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Glossary of Terms II
Contact Angle (Bonding): * The angle between the bonding lead or wire and the bonding land.
Contact Angle (Soldering): * The angle of a solder fillet that is enclosed between a plane that is tangent to the solder/basis-metal surface and a planethat is tangnet to the solder/air interface.
Contact Area: * The common area between a conductor and a connector through which the flow of electricity takes place.
Contact Length: * The distance of travel made by a contact in touch with another during the insertion and removal of a connector.
Contact Resistance: * The electrical resistance of metallic surfaces, under specified conditioins, at their interface in the contact area.
Contact Retention:   The maximum axial load in either direction that a contact must withstand while remaining firmly fixed in its normal position within the connector insert or housing.
Contact Size :   Defines the largest size wire that can be used with the specific contact. By specification dimensioning, it also defines the diameter of the engagement end fo the pin.
Continuity: (1) A continuous path for the flow of current in an electrical circuit.
  (2)* An uninterrupted path for he flow of electrical current in a circuit.
Core:   In cables a component or assembly of components over which additional components (shield, sheath, etc. ) are applied
Corona:   A discharge due to ionization of air around a conductor due to a potential gradient exceeding a certain critical value
Coupling Ring:   A device used on cylindrical connectors to lock a plug and receptacle together.
Creep:   Final configuration of a terminal barrel formed by the compression of terminal barrel and wire.
Crimp Height:   A measurement taken of the overal wire barrel height after the terminal has been crimped.
Cut Off Tab:   The small tabs that remain on the front and back of a terminal after is has been applied.
Daisy Chain:   Connections in series that render all of the connections common.
Dielectric: (1)  Any insulating medium that intervenes between tow conductors.
  (2)*  A material with a high resistnace to the flow of direct current, and which is capable of being polarized by an electric field.
Dielectric Breakdown: * The complete failure of a dielectric material that is characterized by a disruptive electrical discharge through the material that is due to deterioration of material due to an excessive sudden increase in applied voltage.
Dielectric Strength: * The maximum voltage that a dielectric can withstand under specified conditions without resulting in a voltage breakdown, usually expressed as volts per unit dimension.
Dot Coding:   Process of tool imprinting a 22-10 AWG PIDG terminal. Sot coding indicates whether the proper tool has been used.
Double Crimp:   the process of tow or more mechanical crimping operations on the same location in a single terminal.
Drain Wire:   In a cable, hte uninsulated wire in intimate contact with a shield to provide for easier termination of such a shield.
Compatibility (EMC) :
  Describes a devices ability to function properly in athe customer's environment without causig electomagnetic interference to other equipment, or itself being susceptible to external interference.
Interference (EMI):
(1) The Undesirable electromagnetic emissions form a product , which can interfere with the proper operation of other devices.
  (2)*  Unwnated radiated electromagnetic energy tht couples into electrical conductors.
EMC :   see electromagnetic compatibility.
EMI :   see electromagnetic interference.
End Bell:   An accessory similar to a cable clamp that attaches to the back of a plug or receptacle. It serves as an adaptor for the rear of connectors.
End Cap Splice :   An insulated splice in which two or more wires overlap and enter the splice from the same end of the barrel.
Ferrule: (1) Ashort tube. Used to make solderless connections to shielded or coaxial cable.
  (2)  An item molded into the plastic inserts of multiple contact and fiber optic connections to provide strong, wear-resistant shoulders on which contact retaining springs can bear.
  (3) A *substance that is added to a material to improve its solidity, bulk , or other properties.
Gas-tight: (1) The characteristic of a contact that is impervious to ingress by corrosive gases.
  (2)* The common area between mated-metal surfaces from which gas vapours and impuities are excluded.
Grommet:   A rubber seal used on the cable side of multiple contact connector to seal the connector against moisture, dirt or air.
Harness:   A group of wires and cables, usually made with breakouts, which are tied together or pulled into a rubber or platic sheath. A harness provides interconnection of an electric circuit.
Harness , Indoor use :   (Also Cable) Product intended and designed for indoor use only.
Harness , Outdoor use :   (Also Cable) Outdoor Use Cables/Harnesses: Product expected to withstand exposure to he elements of weather.
Hipot Test: (1) A test designed to verify the integrity of a wire's insulation when subjected to high voltage.
  (2)* A method in which the unit under test is subjected to a high alternating current (AC) voltage.
Hood:   A type of cover used to enclose wires that are assembled into a connector.
Hook-Up Wire:   A single insulated conductor used for low current low voltage (usually under 100 volts) applicators.
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